Sends mobile push and/or HA UI persistent notifications with minimal controls. No siren/switch options.

ha_water_leak_alarm.yaml

blueprint:
  name: Water Leak Alarm – mobile + HA UI notifications (modern syntax)
  description: >
    IKEA BADRING (or any wet/dry sensor). Choose mobile push and/or
    HA UI (persistent) notifications. Minimal, future-proof syntax.
  domain: automation

  input:
    leak_sensor:
      name: Leak sensor entity
      description: "Select your BADRING entity (binary_sensor or sensor)."
      selector:
        entity:
          multiple: false

    notify_service:
      name: Notify service
      description: "e.g., notify.notify or notify.mobile_app_<your_phone>"
      default: notify.notify
      selector:
        text:

    # Choose notification types
    enable_mobile:
      name: Enable mobile push notifications
      description: "Send push notifications via the selected notify service."
      default: true
      selector:
        boolean: {}

    enable_persistent:
      name: Enable HA UI notifications
      description: "Create persistent notifications (bell icon in Home Assistant)."
      default: true
      selector:
        boolean: {}

    # Titles / messages
    wet_title:
      name: Leak detected – title
      default: "🚨 Water leak detected"
      selector:
        text:

    wet_message:
      name: Leak detected – message
      default: >
        Leak detected by {{ state_attr(leak_entity, 'friendly_name') or leak_entity }}
        at {{ now() | as_timestamp | timestamp_custom('%Y-%m-%d %H:%M:%S') }}.
      selector:
        text:
          multiline: true

    clear_title:
      name: Leak cleared – title
      default: "✅ Water leak cleared"
      selector:
        text:

    clear_message:
      name: Leak cleared – message
      default: >
        Leak cleared for {{ state_attr(leak_entity, 'friendly_name') or leak_entity }}
        at {{ now() | as_timestamp | timestamp_custom('%Y-%m-%d %H:%M:%S') }}.
      selector:
        text:
          multiline: true

mode: restart
max_exceeded: silent

trigger:
  - platform: state
    entity_id: !input leak_sensor

action:
  # --- Modern-syntax variables: local to this run ---
  - variables:
      leak_entity: !input leak_sensor
      ns: !input notify_service

      enable_mobile: !input enable_mobile
      enable_persistent: !input enable_persistent

      wet_title: !input wet_title
      wet_message: !input wet_message
      clear_title: !input clear_title
      clear_message: !input clear_message

      # Current state (normalized)
      state_str: >-
        {% if trigger and trigger.to_state %}
          {{ trigger.to_state.state | lower }}
        {% else %}
          {{ states(leak_entity) | lower }}
        {% endif %}

      # Classify states
      is_wet: >-
        {% set wet_vals = ['on','wet','leak','leaking','detected','alarm','true','1'] %}
        {{ state_str in wet_vals }}

      is_clear: >-
        {% set clr_vals = ['off','dry','clear','ok','idle','false','0'] %}
        {{ state_str in clr_vals }}

      # Stable, per-sensor IDs so wet/clear never overwrite each other
      pn_id_wet: >-
        {{ ('leak_ui_' ~ leak_entity ~ '_wet') | replace('.', '_') | replace(' ', '_') }}
      pn_id_clear: >-
        {{ ('leak_ui_' ~ leak_entity ~ '_clear') | replace('.', '_') | replace(' ', '_') }}

  # -------------------
  # Leak detected (WET)
  # -------------------
  - if: "{{ is_wet }}"
    then:
      # Mobile push (optional)
      - if: "{{ enable_mobile | bool }}"
        then:
          - service: "{{ ns }}"
            data:
              title: "{{ wet_title }}"
              message: "{{ wet_message }}"

      # HA UI persistent (optional)
      - if: "{{ enable_persistent | bool }}"
        then:
          - service: persistent_notification.create
            data:
              title: "{{ wet_title }}"
              message: "{{ wet_message }}"
              notification_id: "{{ pn_id_wet }}"

  # -------------------
  # Leak cleared (DRY)
  # -------------------
  - if: "{{ is_clear }}"
    then:
      # Mobile push (optional)
      - if: "{{ enable_mobile | bool }}"
        then:
          - service: "{{ ns }}"
            data:
              title: "{{ clear_title }}"
              message: "{{ clear_message }}"

      # HA UI persistent (optional)
      - if: "{{ enable_persistent | bool }}"
        then:
          - service: persistent_notification.create
            data:
              title: "{{ clear_title }}"
              message: "{{ clear_message }}"
              notification_id: "{{ pn_id_clear }}"